function blockAds(parentID, children) {
    var parent = document.getElementById(parentID),
        content = parent.getElementsByTagName(children);
    for(var i = 0; i < content.length; i++) {
        if (/(^| |>)(shop|menjual|blackberry|obat kuat|alat kesehatan|part time|pengobatan|parabola|rental|jasa kirim|consultant)(<| |$)/i.test(content[i].innerHTML)) {
          content[i].innerHTML = "<del>Ups! dilarang ngiklan di kolom komentar bro...</del>";
            content[i].className = "spammer-detected";
        }
    }
}
blockAds('comment_body', 'p');